Predating radio Synonyms

We can't find synonyms for the phrase "Predating radio", but we have synonyms for terms, you can combine them.

Predating Synonyms

PR is an abbreviation for Predating Radio

What does PR stand for?

PR stands for "Predating Radio"

(noun) medium for communication
(noun) an electronic receiver that detects and demodulates and amplifies transmitted signals
(noun) a communication system based on broadcasting electromagnetic waves